Step 1 : Introduction to the question "In what year was the world's first operational nuclear-powered submarine launched?"
USS Nautilus (SSN-571) was the world's first operational nuclear-powered submarine. ... She was christened on 21 January 1954 and launched into the Thames River, .... For the next year and a quarter she conducted special operations for ..., A nuclear submarine is a submarine powered by a nuclear reactor. The performance ... and she was commissioned USS Nautilus (SSN-571), on 30 September 1954. ... The world's first operational nuclear-powered ballistic missile submarine ... and were only a year behind the US with their first SSBN, the ill-fated K-19 of ..., ... Congress authorized construction of the world's first nuclear powered submarine. On December 12th of that year, the Navy Department announced that she ... construction, NAUTILUS was launched on January 21, 1954 with First Lady Mamie ... to conduct "Operation Sunshine", the first crossing of the North Pole by a ship., Launching of the Nautilus, 1954 - US Navy Submarine Base Library The USS Nautilus ... authorized the construction of the world's first nuclear powered submarine. ... After almost 25 years of active service to the United States Navy, in the ..., Outline History of Nuclear Energy, history of atomic theory, discoveries by ...
